Example usage for android.bluetooth BluetoothAdapter getDefaultAdapter

List of usage examples for android.bluetooth BluetoothAdapter getDefaultAdapter

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Introduction

In this page you can find the example usage for android.bluetooth BluetoothAdapter getDefaultAdapter.

Prototype

public static synchronized BluetoothAdapter getDefaultAdapter()

Source Link

Document

Get a handle to the default local Bluetooth adapter.

Usage

From source file:com.nordicsemi.ImageTransferDemo.MainActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);//w ww .  ja  va  2 s .c  om

    mBtAdapter = BluetoothAdapter.getDefaultAdapter();
    if (mBtAdapter == null) {
        Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
        finish();
        return;
    }
    btnConnectDisconnect = (Button) findViewById(R.id.btn_select);
    mTextViewLog = (TextView) findViewById(R.id.textViewLog);
    mTextViewFileLabel = (TextView) findViewById(R.id.textViewFileLabel);
    mTextViewPictureStatus = (TextView) findViewById(R.id.textViewImageStatus);
    mTextViewPictureFpsStatus = (TextView) findViewById(R.id.textViewImageFpsStatus);
    mTextViewConInt = (TextView) findViewById(R.id.textViewCI);
    mTextViewMtu = (TextView) findViewById(R.id.textViewMTU);
    mProgressBarFileStatus = (ProgressBar) findViewById(R.id.progressBarFile);
    mBtnTakePicture = (Button) findViewById(R.id.buttonTakePicture);
    mBtnStartStream = (Button) findViewById(R.id.buttonStartStream);
    mMainImage = (ImageView) findViewById(R.id.imageTransfered);
    mSpinnerResolution = (Spinner) findViewById(R.id.spinnerResolution);
    mSpinnerResolution.setSelection(1);
    mSpinnerPhy = (Spinner) findViewById(R.id.spinnerPhy);
    mConnectionProgDialog = new ProgressDialog(this);
    mConnectionProgDialog.setTitle("Connecting...");
    mConnectionProgDialog.setCancelable(false);
    service_init();
    for (int i = 0; i < 6; i++)
        mUartData[i] = 0;

    // Handler Disconnect & Connect button
    btnConnectDisconnect.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (!mBtAdapter.isEnabled()) {
                Log.i(TAG, "onClick - BT not enabled yet");
                Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
            } else {
                if (btnConnectDisconnect.getText().equals("Connect")) {

                    //Connect button pressed, open DeviceListActivity class, with popup windows that scan for devices

                    Intent newIntent = new Intent(MainActivity.this, DeviceListActivity.class);
                    startActivityForResult(newIntent, REQUEST_SELECT_DEVICE);
                } else {
                    //Disconnect button pressed
                    if (mDevice != null) {
                        mService.disconnect();
                    }
                }
            }
        }
    });

    mBtnTakePicture.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (mService != null) {
                mService.sendCommand(BleCommand.StartSingleCapture.ordinal(), null);
                setGuiByAppMode(AppRunMode.ConnectedDuringSingleTransfer);
            }
        }
    });

    mBtnStartStream.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (mService != null) {
                if (!mStreamActive) {
                    mStreamActive = true;

                    mService.sendCommand(BleCommand.StartStreaming.ordinal(), null);
                    setGuiByAppMode(AppRunMode.ConnectedDuringStream);
                } else {
                    mStreamActive = false;

                    mService.sendCommand(BleCommand.StopStreaming.ordinal(), null);
                    setGuiByAppMode(AppRunMode.Connected);
                }
            }
        }
    });

    mSpinnerResolution.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
        @Override
        public void onItemSelected(AdapterView<?> parentView, View selectedItemView, int position, long id) {
            if (mService != null && mService.isConnected()) {
                byte[] cmdData = new byte[1];
                cmdData[0] = (byte) position;
                mService.sendCommand(BleCommand.ChangeResolution.ordinal(), cmdData);
            }
        }

        @Override
        public void onNothingSelected(AdapterView<?> parentView) {
        }
    });

    mSpinnerPhy.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
        @Override
        public void onItemSelected(AdapterView<?> parentView, View selectedItemView, int position, long id) {
            if (mService != null && mService.isConnected()) {
                byte[] cmdData = new byte[1];
                cmdData[0] = (byte) position;
                mService.sendCommand(BleCommand.ChangePhy.ordinal(), cmdData);
            }
        }

        @Override
        public void onNothingSelected(AdapterView<?> parentView) {
        }
    });

    // Set initial UI state
    guiUpdateHandler.postDelayed(guiUpdateRunnable, 0);

    setGuiByAppMode(AppRunMode.Disconnected);
}

From source file:com.spondbob.bluetooth.BluetoothActivity.java

private void menuDiscover() {
    BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    if (mBluetoothAdapter == null) {
        Toast.makeText(BluetoothActivity.this, "Device does not support Bluetooth", Toast.LENGTH_SHORT).show();
    } else {//from  w  ww.  j a v a 2 s  .c  om
        if (!mBluetoothAdapter.isEnabled()) {
            Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
            startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
        } else {
            doDiscovery();
        }
    }
}

From source file:com.zpci.firstsignhairclipdemo.MainActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.diag);/* ww  w  .  j a v  a2  s. c  om*/

    mBtAdapter = BluetoothAdapter.getDefaultAdapter();
    if (mBtAdapter == null) {
        Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
        finish();
        return;
    }
    messageListView = (ListView) findViewById(R.id.listMessage);
    listAdapter = new ArrayAdapter<String>(this, R.layout.message_detail);
    messageListView.setAdapter(listAdapter);
    messageListView.setDivider(null);
    btnConnectDisconnect = (Button) findViewById(R.id.btn_select);
    btnSend = (Button) findViewById(R.id.sendButton);
    edtMessage = (EditText) findViewById(R.id.sendText);

    // top level select either demo mode or diag mode
    dm1 = (Button) findViewById(R.id.DemoModeButton);
    dm2 = (Button) findViewById(R.id.DiagModeButton);

    // make other controls invisible until mode is selected
    c1 = (Button) findViewById(R.id.Command1Button);
    c2 = (Button) findViewById(R.id.Command2Button);
    sb1 = (Button) findViewById(R.id.Sens1Button);
    sb2 = (Button) findViewById(R.id.Sens2Button);
    sb3 = (Button) findViewById(R.id.Sens3Button);
    stxt = (TextView) findViewById(R.id.textSensy);
    Log.d(TAG, "stext = " + stxt);
    alonb = (Button) findViewById(R.id.DemoAlarmOnButton);
    aloffb = (Button) findViewById(R.id.DemoAlarmOffButton);
    Log.d(TAG, "demomode = " + demomode);
    c1.setVisibility(View.INVISIBLE);
    c2.setVisibility(View.INVISIBLE);
    btnSend.setVisibility(View.INVISIBLE);
    edtMessage.setVisibility(View.INVISIBLE);
    messageListView.setVisibility(View.INVISIBLE);
    sb1.setVisibility(View.GONE);
    sb2.setVisibility(View.GONE);
    sb3.setVisibility(View.GONE);
    stxt.setVisibility(View.GONE);
    alonb.setVisibility(View.GONE);
    aloffb.setVisibility(View.GONE);

    service_init();

    // Handler Disconnect & Connect button
    btnConnectDisconnect.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (!mBtAdapter.isEnabled()) {
                Log.i(TAG, "onClick - BT not enabled yet");
                Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
            } else {
                if (btnConnectDisconnect.getText().equals("Connect")) {

                    //Connect button pressed, open DeviceListActivity class, with popup windows that scan for devices

                    Intent newIntent = new Intent(MainActivity.this, DeviceListActivity.class);
                    startActivityForResult(newIntent, REQUEST_SELECT_DEVICE);
                } else {
                    //Disconnect button pressed
                    if (mDevice != null) {
                        mService.disconnect();

                    }
                }
            }
        }
    });
    // Handler Send button  
    btnSend.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            EditText editText = (EditText) findViewById(R.id.sendText);
            String message = editText.getText().toString();
            byte[] value;
            try {
                //send data to service
                value = message.getBytes("UTF-8");
                mService.writeRXCharacteristic(value);
                //Update the log with time stamp
                String currentDateTimeString = DateFormat.getTimeInstance().format(new Date());
                listAdapter.add("[" + currentDateTimeString + "] TX: " + message);
                messageListView.smoothScrollToPosition(listAdapter.getCount() - 1);
                edtMessage.setText("");
            } catch (UnsupportedEncodingException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

        }
    });

}

From source file:com.tkjelectronics.balancingrobotfullsizeandroid.app.BalancingRobotFullSizeActivity.java

@Override
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_balancing_robot_full_size);

    // Set up the action bar.
    final ActionBar actionBar = getSupportActionBar();
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

    // Get local Bluetooth adapter
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2)
        mBluetoothAdapter = ((BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE)).getAdapter();
    else/*from w  w w  .java 2 s .  c  o m*/
        mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();

    // If the adapter is null, then Bluetooth is not supported
    if (mBluetoothAdapter == null) {
        showToast("Bluetooth is not available", Toast.LENGTH_LONG);
        finish();
        return;
    }

    // Create the adapter that will return a fragment for each of the primary sections of the app.
    mViewPagerAdapter = new ViewPagerAdapter(getSupportFragmentManager());

    // Set up the ViewPager with the adapter.
    mViewPager = (ViewPager) findViewById(R.id.pager);
    mViewPager.setAdapter(mViewPagerAdapter);

    // Bind the underline indicator to the adapter
    mUnderlinePageIndicator = (UnderlinePageIndicator) findViewById(R.id.indicator);
    mUnderlinePageIndicator.setViewPager(mViewPager);
    mUnderlinePageIndicator.setFades(false);

    // When swiping between different sections, select the corresponding
    // tab. We can also use ActionBar.Tab#select() to do this if we have
    // a reference to the Tab.
    mUnderlinePageIndicator.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
        @Override
        public void onPageSelected(int position) {
            if (D)
                Log.d(TAG, "ViewPager position: " + position);
            actionBar.setSelectedNavigationItem(position);
        }
    });

    // For each of the sections in the app, add a tab to the action bar.
    for (int i = 0; i < mViewPagerAdapter.getCount(); i++) {
        // Create a tab with text corresponding to the page title defined by
        // the adapter. Also specify this Activity object, which implements
        // the TabListener interface, as the callback (listener) for when
        // this tab is selected.
        actionBar.addTab(actionBar.newTab().setText(mViewPagerAdapter.getPageTitle(i)).setTabListener(this));
    }

    getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); // Keep the screen on while the user is riding the robot
}

From source file:samples.piggate.com.piggateInfoDemo.Activity_Logged.java

@Override
protected void onCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);
    _piggate = new Piggate(this, null); //Initialize the Piggate object
    setContentView(R.layout.activity_logged);
    getSupportActionBar().setTitle(PiggateUser.getEmail());

    startService(new Intent(getApplicationContext(), Service_Notify.class)); //Start the service

    //Initialize recycler view
    mRecyclerView = (RecyclerView) findViewById(R.id.my_recycler_view);
    mRecyclerView.setHasFixedSize(true);
    mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
    mRecyclerView.setItemAnimator(new DefaultItemAnimator());
    newBeaconsLayout = (LinearLayout) findViewById(R.id.newBeaconsLayout);

    //Initialize swipe layout
    mSwipeLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_container);
    mSwipeLayout.setOnRefreshListener(this);

    errorDialog = new AlertDialog.Builder(this).create();
    errorDialog.setTitle("Logout error");
    errorDialog.setMessage("There is an error with the logout");
    errorDialog.setButton(AlertDialog.BUTTON_NEUTRAL, "OK", new DialogInterface.OnClickListener() {
        @Override//w  w  w.j a  va  2  s  .  c  o m
        public void onClick(DialogInterface dialog, int which) {
            dialog.dismiss();
        }
    });

    networkErrorDialog = new AlertDialog.Builder(this).create();
    networkErrorDialog.setTitle("Network error");
    networkErrorDialog.setMessage("There is an error with the network connection");
    networkErrorDialog.setButton(AlertDialog.BUTTON_NEUTRAL, "OK", new DialogInterface.OnClickListener() {
        @Override
        public void onClick(DialogInterface dialog, int which) {
            dialog.dismiss();
        }
    });

    fadeIn = AnimationUtils.loadAnimation(Activity_Logged.this, R.anim.fadein);
    fadeOut = AnimationUtils.loadAnimation(Activity_Logged.this, R.anim.fadeout);

    //Check if the bluetooth is switched on
    BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    if (!mBluetoothAdapter.isEnabled()) {
        Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
    }
}

From source file:ni.org.ics.estudios.appmovil.bluetooth.activity.BluetoothChatFragment.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setHasOptionsMenu(true);/* ww  w  . j  av a2  s.co m*/
    // Get local Bluetooth adapter
    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    String mPass = ((MyIcsApplication) this.getActivity().getApplication()).getPassApp();
    estudiosAdapter = new EstudiosAdapter(this.getActivity(), mPass, false, false);
    mCasa = (CasaCohorteFamilia) getActivity().getIntent().getExtras().getSerializable(Constants.CASA);
    accion = getActivity().getIntent().getStringExtra(Constants.ACCION);
    if (mCasa != null) {
        new GetDataCasaTask().execute();
    }
    // If the adapter is null, then Bluetooth is not supported
    participantesSQL = new String[30];
    participantesChfSQL = new String[30];
    participantesSeroSQL = new String[30];
    participantesProcSQL = new String[30];
    participantesCasosSQL = new String[30];
    if (mBluetoothAdapter == null) {
        FragmentActivity activity = getActivity();
        Toast.makeText(activity, "Bluetooth is not available", Toast.LENGTH_LONG).show();
        activity.finish();
    }
}

From source file:com.example.hudpassthrough.BluetoothChat.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    if (D)/*  w ww  .  j  a  v  a  2s  .co  m*/
        Log.e(TAG, "+++ ON CREATE +++");

    // Set up the window layout
    requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
    setContentView(R.layout.main);
    getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);

    // Set up the custom title
    mTitle = (TextView) findViewById(R.id.title_left_text);
    mTitle.setText(R.string.app_name);
    mTitle = (TextView) findViewById(R.id.title_right_text);

    // Get local Bluetooth adapter
    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();

    // If the adapter is null, then Bluetooth is not supported
    if (mBluetoothAdapter == null) {
        Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
        finish();
        return;
    }

    mCamera = Camera.open();
    if (mCamera == null)
        Log.e("Camera", "mCamera is null!");

    //mCamera.enableShutterSound(false); //Questionable Legality!

    CamPreview camPreview = new CamPreview(this, mCamera);
    camPreview.setSurfaceTextureListener(camPreview);
    FrameLayout preview = (FrameLayout) findViewById(R.id.cameraView);
    preview.addView(camPreview);
    CamCallback camCallback = new CamCallback();
    mCamera.setPreviewCallback(camCallback);

    StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder().permitAll().build());

    people = new PeopleDB();
}

From source file:io.github.msc42.masterthemaze.SearchDeviceActivity.java

private boolean startBluetooth() {
    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();

    if (mBluetoothAdapter == null) {
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setTitle(R.string.error).setMessage(R.string.noBluetoothExisting).setCancelable(false)
                .setPositiveButton(R.string.okay, new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int id) {
                        finish();/*from  www.  j  a  v a  2  s.c o  m*/
                    }
                });

        builder.create().show();
        return false;
    }

    if (!mBluetoothAdapter.isEnabled()) {
        Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        startActivityForResult(enableBtIntent, Constants.REQUEST_ENABLE_BT);
        // if request is satisfied, in onActivityResult startRepeatedDiscovery is called,
        // otherwise there is an alert dialog, which finishes the app when it is confirmed
        return false;
    }

    return true;
}

From source file:org.mobisocial.corral.ContentCorral.java

private void startBluetoothService() {
    if (mBluetoothAcceptThread != null)
        return;/* w w  w  . j a va  2 s. c o m*/
    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    if (adapter == null || !adapter.isEnabled()) {
        return;
    }

    mBluetoothAcceptThread = new BluetoothAcceptThread(adapter, getLocalBluetoothServiceUuid(mContext));
    mBluetoothAcceptThread.start();
}

From source file:io.v.android.libs.discovery.ble.BlePlugin.java

public BlePlugin(Context androidContext) {
    this.androidContext = androidContext;
    cachedDevices = new DeviceCache(Duration.standardMinutes(1));
    BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    if (bluetoothAdapter == null || !bluetoothAdapter.isEnabled()) {
        return;/* ww w  . j  av a  2  s. c om*/
    }

    if (!hasPermission(Manifest.permission.ACCESS_COARSE_LOCATION)
            && !hasPermission(Manifest.permission.ACCESS_FINE_LOCATION)) {
        return;
    }
    isEnabled = true;
    bluetoothLeAdvertise = BluetoothAdapter.getDefaultAdapter().getBluetoothLeAdvertiser();
    bluetoothLeScanner = BluetoothAdapter.getDefaultAdapter().getBluetoothLeScanner();
    BluetoothManager manager = (BluetoothManager) androidContext.getSystemService(Context.BLUETOOTH_SERVICE);
    bluetoothGattServer = manager.openGattServer(androidContext, new BluetoothGattServerCallback() {
        @Override
        public void onConnectionStateChange(BluetoothDevice device, int status, int newState) {
            super.onConnectionStateChange(device, status, newState);
        }

        @Override
        public void onCharacteristicReadRequest(BluetoothDevice device, int requestId, int offset,
                BluetoothGattCharacteristic characteristic) {
            super.onCharacteristicReadRequest(device, requestId, offset, characteristic);
            byte[] total = characteristic.getValue();
            byte[] res = {};
            // Only send MTU - 1 bytes. The first byte of all packets is the op code.
            if (offset < total.length) {
                int finalByte = offset + MTU - 1;
                if (finalByte > total.length) {
                    finalByte = total.length;
                }
                res = Arrays.copyOfRange(total, offset, finalByte);
                bluetoothGattServer.sendResponse(device, requestId, BluetoothGatt.GATT_SUCCESS, 0, res);
            } else {
                // This should probably be an error, but a bug in the paypal/gatt code causes an
                // infinite loop if this returns an error rather than the empty value.
                bluetoothGattServer.sendResponse(device, requestId, BluetoothGatt.GATT_SUCCESS, 0, res);
            }
        }
    });
}